Posted on | CategoriesDrug Discovery / Molecular Pharmaceutics | PI: Mingnan Chen, PhD

A New Strategy for Treating Autoimmune Disease While Maintaining Immune Function

The Chen Lab discovered a new therapeutic strategy that avoids immune deficiency while treating autoimmune disease. Specifically, they identified immune cells that express a key immune checkpoint receptor that drives type 1 diabetes and multiple sclerosis. The Chen Lab then created an immunotoxin that selectively depletes these cells. Continue reading → A New Strategy for Treating Autoimmune Disease While Maintaining Immune Function
Posted on | CategoriesGenomics / Human Genetics | PI: Aaron Quinlan, PhD

Defining Essential Regions of the Human Genome

There is a longstanding interest in identifying the subset of our genome that is the most essential to life and normal development. Quinlan and colleagues studied genetic variation detected among >120,000 human exomes to reveal focal coding regions that lack variation in healthy individuals. Continue reading → Defining Essential Regions of the Human Genome
Posted on | CategoriesBiochemistry / Health and Disease | PI: Erhu Cao, PhD & Peter Shen, PhD

Structure and Function of the Polycystic Kidney Disease Channel

The kidney senses and responds to physiological changes, such as pH, ionic strength, pressure, and nutrient levels. Sensing is mediated by a coupled sensor/ion channel complex called the Polycystic Kidney Disease Channel, which is composed of two subunits, the PKD1 (the primary sensor) and PKD2 (the channel). Continue reading → Structure and Function of the Polycystic Kidney Disease Channel
Posted on | CategoriesBiochemistry / Fundamental Biology | PI: Brenda L. Bass, PhD , Peter Shen, PhD & Janet Iwasa, PhD

Identifying RNAs from Invading Viruses

Biochemical and structural studies from Bass, Shen, Iwasa, and colleagues revealed how Dicer-2, an RNA processing, and antiviral defense enzyme, distinguishes and differentially processes double-stranded RNA (dsRNA) substrates by sensing the unique chemistry at their termini. Continue reading → Identifying RNAs from Invading Viruses
Posted on | CategoriesDiabetes and Metabolism / Internal Medicine | PI: Simon J. Fisher, MD, PhD , Owen Chan, PhD & Candace M. Reno, PhD

Neural and Cardiac Responses to Hypoglycemia

The laboratories of Simon Fisher, MD, Owen Chan, PhD, and Candace Reno, PhD, demonstrated that brain glucose sensing was impaired in rats with recurrent hypoglycemia as a result of defective glucose and lactate metabolism within the neurons and astrocytes in the hypothalamus. The resultant abnormal release of neurotransmitters—such as GABA, glutamate and dopamine—led to inadequate activation of hormonal responses to hypoglycemia. Continue reading → Neural and Cardiac Responses to Hypoglycemia
Posted on | CategoriesPhysical Therapy and Athletic Training / Prevention | PI: Micah J. Drummond, PhD

Age-Related Sarcopenia and Recovery Following Muscle Disuse

Aging coincides with frequent periods of muscle disuse and, when combined with subsequent poor muscle recovery, contributes to sarcopenia, loss of muscle during aging. In order to develop effective interventions to offset deficits in muscle mass and function, Micah Drummond, PhD, and colleagues studied the cellular and molecular events that accompany muscle disuse in older adults. Continue reading → Age-Related Sarcopenia and Recovery Following Muscle Disuse
Posted on | CategoriesGenomics / Internal Medicine | PI: Corrine K. Welt, MD

Genetic Risk for Polycystic Ovary Syndrome

Polycystic ovary syndrome (PCOS) is characterized by excessive androgen hormone, irregular menstrual cycles, and polycystic ovaries on ultrasound. Affected women also frequently experience metabolic disturbances, including obesity, and face increased risk for type 2 diabetes. University of Utah Health investigator Corrine Welt, MD, and collaborators performed an international meta-analysis of whole genome association studies combining over 10 million genetic markers in more than 10,000 European women with PCOS and 100,000 controls. Continue reading → Genetic Risk for Polycystic Ovary Syndrome